World's Best Scientists 2026 revealed!
Atsushi Ochiai

Atsushi Ochiai

Award Badge
Medicine
Japan
2023

D-Index & Metrics

Medicine

D-Index
109
Citations
44370
World Ranking
5774
National Ranking
130

Research.com Recognitions

  • 2023 - Research.com Medicine in Japan Leader Award

Overview

Atsushi Ochiai is affiliated with the University of Tokyo in Japan and has a substantial research output in the fields of medicine and biochemistry, genetics, and molecular biology. Their work primarily focuses on oncology, pulmonary and respiratory medicine, and surgery, with notable contributions to cancer research and molecular biology.

The scientist's studies cover a variety of specialized topics, including:

  • Cancer Immunotherapy and Biomarkers
  • Pancreatic and Hepatic Oncology Research
  • Gastric Cancer Management and Outcomes
  • Cancer Cells and Metastasis
  • Cancer Genomics and Diagnostics
  • Colorectal Cancer Screening and Detection
  • Radiomics and Machine Learning in Medical Imaging

Atsushi Ochiai has frequently published in several scientific venues, with multiple contributions in:

  • Cancer Research
  • Cancer Science
  • Lung Cancer
  • Scientific Reports
  • Pathology International

Their collaborative network includes several frequently co-authored researchers such as Genichiro Ishii, Takeshi Kuwata, Shuichi Mitsunaga, Motohiro Kojima, and Masafumi Ikeda.

Representative recent papers highlight the breadth of Ochiai's investigation and include:

  • "Relationship between podoplanin-expressing cancer-associated fibroblasts and the immune microenvironment of early lung squamous cell carcinoma" (2020, Lung Cancer)
  • "Baseline ctDNA gene alterations as a biomarker of survival after panitumumab and chemotherapy in metastatic colorectal cancer" (2024, Nature Medicine)
  • "The Japanese Society of Pathology Practical Guidelines on the handling of pathological tissue samples for cancer genomic medicine" (2021, Pathology International)
  • "Long-term outcome of endoscopic resection for intramucosal esophageal squamous cell cancer: a secondary analysis of the Japan Esophageal Cohort study" (2020, Endoscopy)
  • "Identification and Therapeutic Targeting of GPR20, Selectively Expressed in Gastrointestinal Stromal Tumors, with DS-6157a, a First-in-Class Antibody-Drug Conjugate" (2021, Cancer Discovery)

Best Publications

  • Japanese Society for Cancer of the Colon and Rectum (JSCCR) guidelines 2010 for the treatment of colorectal cancer

    Toshiaki Watanabe;Michio Itabashi;Yasuhiro Shimada;Shinji Tanaka

  • Assessment of a HER2 scoring system for gastric cancer: results from a validation study.

    M Hofmann;O Stoss;D Shi;R Büttner

  • Quantitative Metabolome Profiling of Colon and Stomach Cancer Microenvironment by Capillary Electrophoresis Time-of-Flight Mass Spectrometry

    Akiyoshi Hirayama;Kenjiro Kami;Masahiro Sugimoto;Maki Sugawara

  • Early Detection of Superficial Squamous Cell Carcinoma in the Head and Neck Region and Esophagus by Narrow Band Imaging: A Multicenter Randomized Controlled Trial

    Manabu Muto;Keiko Minashi;Tomonori Yano;Yutaka Saito

  • Silencing of the E-cadherin invasion-suppressor gene by CpG methylation in human carcinomas.

    Kenta Yoshiura;Yae Kanai;Atsushi Ochiai;Yutaka Shimoyama

  • Japanese Society for Cancer of the Colon and Rectum (JSCCR) Guidelines 2014 for treatment of colorectal cancer

    Toshiaki Watanabe;Michio Itabashi;Yasuhiro Shimada;Shinji Tanaka

  • Expression of Epidermal Growth Factor Receptor in Human Gastric and Colonic Carcinomas

    Wataru Yasui;Hiromichi Sumiyoshi;Jotaro Hata;Takashi Kameda

  • Predominant infiltration of macrophages and CD8(+) T Cells in cancer nests is a significant predictor of survival in stage IV nonsmall cell lung cancer.

    Osamu Kawai;Genichiro Ishii;Kaoru Kubota;Yukinori Murata

  • Phenotypic and functional heterogeneity of cancer-associated fibroblast within the tumor microenvironment.

    Genichiro Ishii;Atsushi Ochiai;Shinya Neri

  • Size control of calcium alginate beads containing living cells using micro-nozzle array

    Shinji Sugiura;Tatsuya Oda;Tatsuya Oda;Yasuhiko Izumida;Yasuyuki Aoyagi

  • Autophagy is activated in colorectal cancer cells and contributes to the tolerance to nutrient deprivation.

    Kazunori Sato;Katsuya Tsuchihara;Satoshi Fujii;Masanori Sugiyama

  • Risk factors for lymph node metastasis from intramucosal gastric carcinoma.

    Takekazu Yamao;Kuniaki Shirao;Hiroyuki Ono;Hitoshi Kondo

  • A Truncated β-Catenin Disrupts the Interaction between E-Cadherin and α-Catenin: A Cause of Loss of Intercellular Adhesiveness in Human Cancer Cell Lines

    Tsukasa Oyama;Yae Kanai;Atsushi Ochiai;Shingo Akimoto

  • Bone-marrow-derived myofibroblasts contribute to the cancer-induced stromal reaction.

    Genichiro Ishii;Takafumi Sangai;Tatsuya Oda;Yasuyuki Aoyagi

  • Autophagy is activated in pancreatic cancer cells and correlates with poor patient outcome

    Satoshi Fujii;Shuichi Mitsunaga;Manabu Yamazaki;Takahiro Hasebe

  • Transactivation of the multidrug resistance 1 gene by T-cell factor 4/beta-catenin complex in early colorectal carcinogenesis.

    Tesshi Yamada;Asako S. Takaoka;Yasuyoshi Naishiro;Reiko Hayashi

  • Stromal MCP-1 in mammary tumors induces tumor-associated macrophage infiltration and contributes to tumor progression

    Hiroshi Fujimoto;Takafumi Sangai;Genichiro Ishii;Akashi Ikehara

  • The E-cadherin gene is silenced by CpG methylation in human hepatocellular carcinomas

    Yae Kanai;Saori Ushijima;Ai Min Hui;Atsushi Ochiai

  • Breast cancer resistance protein impacts clinical outcome in platinum-based chemotherapy for advanced non-small cell lung cancer.

    Kiyotaka Yoh;Genichiro Ishii;Tomoyuki Yokose;Yuji Minegishi

  • Comparison of HER2 gene amplification assessed by fluorescence in situ hybridization and HER2 protein expression assessed by immunohistochemistry in gastric cancer.

    Tomonori Yano;Toshihiko Doi;Atsushi Ohtsu;Narikazu Boku

Frequent Co-Authors

Kanji Nagai
Kanji Nagai Kitasato University
Atsushi Ohtsu
Atsushi Ohtsu Juntendo University
Takayuki Yoshino
Takayuki Yoshino University of Tsukuba
Yutaka Nishiwaki
Yutaka Nishiwaki Tokyo Medical University
Setsuo Hirohashi
Setsuo Hirohashi National Cancer Research Institute, UK
Hiroyasu Esumi
Hiroyasu Esumi Tokyo University of Science
Toshihiko Doi
Toshihiko Doi Okayama University
Kohei Shitara
Kohei Shitara Yahoo (United Kingdom)
Yuichiro Ohe
Yuichiro Ohe National Cancer Centre
Masaaki Ito
Masaaki Ito Mie University

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

If you're considering Medicine in the USA but also exploring alternative pathways or related healthcare fields, there are several online degree options worth considering. For those interested in patient care, nursing schools with high acceptance rates offer a practical entry into healthcare. Many of these programs provide flexible admission requirements—a great option if you are looking for an accessible path.

If direct patient care isn't your focus, consider the growing demand for medical office professionals. Programs offering financial aid for medical billing and coding online classes make it easier to start a healthcare career with robust job growth and minimal upfront costs.

Some nursing schools are lowering test barriers for applicants. You can find a nursing school that doesn't require teas, allowing you to apply without needing standardized entrance exams. This can improve your chances of acceptance and speed up your timeline.

Looking beyond patient care roles, healthcare administration degree programs provide a management-focused route into the health industry. Accelerated online options make it possible to advance quickly and play a vital role in hospital or clinic operations.

Best Scientists Citing Atsushi Ochiai

Trending Scientists